A019975 Decimal expansion of tangent of 77 degrees.

4, 3, 3, 1, 4, 7, 5, 8, 7, 4, 2, 8, 4, 1, 5, 5, 5, 4, 5, 5, 4, 6, 1, 6, 7, 7, 5, 4, 5, 5, 7, 4, 4, 1, 3, 5, 8, 3, 6, 8, 1, 6, 3, 8, 3, 0, 3, 4, 0, 8, 3, 6, 3, 5, 0, 1, 8, 9, 2, 3, 6, 3, 2, 7, 3, 7, 4, 8, 9, 7, 8, 4, 3, 7, 9, 8, 4, 6, 6, 2, 8, 9, 0, 6, 1, 3, 7, 8, 3, 3, 9, 7, 0, 6, 7, 5, 4, 5, 2

Offset

1,1

Comments

Also the decimal expansion of cotangent of 13 degrees. - Ivan Panchenko, Sep 01 2014

Minimal polynomial 1 - 48*x - 564*x^2 + 1456*x^3 + 21186*x^4 - 12432*x^5 - 269412*x^6 + 17424*x^6 + 1470447*x^8 + 45344*x^9 - 3923304*x^10 - 51744*x^11 + 5407388*x^12 -51744*x^13 - 3923304*x^14 + 45344*x^15 + 1470447*x^16 + 17424*x^17 - 269412*x^18 - 12432*x^19 + 21186*x^20 + 1456*x^21 - 564*x^22 - 48*x^23 + x^24. - R. J. Mathar, May 28 2026

Links

Ivan Panchenko, Table of n, a(n) for n = 1..1000

Index entries for algebraic numbers, degree 24.

Formula

Equals A019886 / A019822. - R. J. Mathar, May 28 2026

Example

4.33147583...

Mathematica

RealDigits[Tan[77 Degree], 10, 120][[1]] (* Harvey P. Dale, Aug 04 2020 *)

Prog

(PARI) tan(77*Pi/180) \\ Charles R Greathouse IV, Apr 26 2026

Crossrefs

Sequence in context: A177160 A129624 A177038 * A327869 A196274 A073871

Adjacent sequences: A019972 A019973 A019974 * A019976 A019977 A019978

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved